/* HerramientasTiempo.es - Custom Styles */

/* CSS Variables for Theming */
:root {
  --primary-color: #3B82F6;
  --secondary-color: #10B981;
  --accent-color: #F59E0B;
  --danger-color: #EF4444;
  --success-color: #22C55E;
  --warning-color: #F59E0B;
  --info-color: #3B82F6;
  
  --bg-primary: #FFFFFF;
  --bg-secondary: #F9FAFB;
  --bg-tertiary: #F3F4F6;
  --text-primary: #111827;
  --text-secondary: #6B7280;
  --text-tertiary: #9CA3AF;
  
  --border-color: #E5E7EB;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

/* Dark mode variables */
.dark {
  --bg-primary: #111827;
  --bg-secondary: #1F2937;
  --bg-tertiary: #374151;
  --text-primary: #F9FAFB;
  --text-secondary: #D1D5DB;
  --text-tertiary: #9CA3AF;
  --border-color: #4B5563;
}

/* Smooth transitions for dark mode */
* {
  transition: background-color var(--transition-fast), 
              border-color var(--transition-fast), 
              color var(--transition-fast);
}

/* Custom font imports */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
}

/* Monospace for time displays */
.font-mono {
  font-family: 'JetBrains Mono', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  font-feature-settings: 'tnum' 1; /* Tabular numbers */
}

/* Navigation Tabs */
.nav-tab {
  position: relative;
  transition: all var(--transition-normal);
}

.nav-tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.nav-tab:not(.active):hover {
  color: var(--text-primary);
  border-bottom-color: var(--border-color);
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: var(--text-tertiary);
  border-radius: 4px;
}

.dark ::-webkit-scrollbar-thumb {
  background: #6B7280;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* Clock Styles */
.clock-container {
  position: relative;
}

#digital-clock {
  text-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
  animation: clockPulse 2s ease-in-out infinite;
}

@keyframes clockPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

.clock-style-analog #digital-clock {
  font-family: 'Times New Roman', serif;
  letter-spacing: 0.1em;
}

.clock-style-digital #digital-clock {
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.05em;
}

.clock-style-neon #digital-clock {
  color: #00FF00;
  text-shadow: 0 0 5px #00FF00, 0 0 10px #00FF00, 0 0 15px #00FF00;
  background: rgba(0, 0, 0, 0.8);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  border: 2px solid #00FF00;
}

.dark .clock-style-neon #digital-clock {
  background: rgba(0, 0, 0, 0.9);
}

/* Stopwatch Styles */
.stopwatch-container {
  position: relative;
}

#stopwatch-display {
  text-shadow: 0 0 20px rgba(34, 197, 94, 0.3);
  transition: color var(--transition-normal);
}

#stopwatch-display.running {
  animation: stopwatchTick 1s ease-in-out infinite;
}

@keyframes stopwatchTick {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

/* Timer Styles */
.timer-container {
  position: relative;
}

#timer-display {
  text-shadow: 0 0 20px rgba(245, 158, 11, 0.3);
  transition: all var(--transition-normal);
}

#timer-display.warning {
  color: #EF4444 !important;
  animation: timerWarning 1s ease-in-out infinite;
}

@keyframes timerWarning {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

#timer-progress {
  transition: width 1s linear;
}

/* Pomodoro Styles */
.pomodoro-container {
  position: relative;
}

#pomodoro-display {
  text-shadow: 0 0 20px rgba(239, 68, 68, 0.3);
  transition: all var(--transition-normal);
}

#pomodoro-display.work-phase {
  color: #DC2626;
}

#pomodoro-display.break-phase {
  color: #059669;
}

#pomodoro-display.long-break-phase {
  color: #7C3AED;
}

#pomodoro-progress {
  transition: width 1s linear;
}

/* World Clock Styles */
.world-clock-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1rem;
  position: relative;
  transition: all var(--transition-normal);
  overflow: hidden;
}

.world-clock-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.world-clock-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #3B82F6, #10B981, #F59E0B);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.world-clock-card:hover::before {
  opacity: 1;
}

.world-clock-time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-shadow: 0 0 10px rgba(59, 130, 246, 0.2);
}

.world-clock-date {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.world-clock-city {
  font-weight: 600;
  color: var(--text-primary);
}

.world-clock-country {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.world-clock-offset {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 0.375rem;
  font-weight: 500;
}

/* Day/Night Indicator */
.day-night-indicator {
  position: absolute;
  bottom: 0.5rem;
  right: 0.5rem;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  transition: all var(--transition-normal);
}

.day-night-indicator.day {
  background: linear-gradient(45deg, #FCD34D, #F59E0B);
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
}

.day-night-indicator.night {
  background: linear-gradient(45deg, #1E293B, #0F172A);
  box-shadow: 0 0 10px rgba(30, 41, 59, 0.5);
}

/* Lap Times Styles */
.lap-time-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 0.75rem;
  transition: all var(--transition-normal);
  animation: slideInFromRight 0.3s ease-out;
}

@keyframes slideInFromRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.lap-time-item:hover {
  background: var(--bg-tertiary);
  transform: translateX(4px);
}

.lap-time-best {
  border-color: #22C55E;
  background: rgba(34, 197, 94, 0.1);
}

.lap-time-worst {
  border-color: #EF4444;
  background: rgba(239, 68, 68, 0.1);
}

/* Button Styles */
button {
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

button:not(:disabled):hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

button:not(:disabled):active {
  transform: translateY(0);
}

/* Ripple effect for buttons */
button::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s;
}

button:active::after {
  width: 100%;
  height: 100%;
}

/* Task List Styles */
.task-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 0.75rem;
  transition: all var(--transition-normal);
  animation: slideInFromLeft 0.3s ease-out;
}

@keyframes slideInFromLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.task-item:hover {
  background: var(--bg-tertiary);
  transform: translateX(4px);
}

.task-item.completed {
  opacity: 0.6;
  text-decoration: line-through;
  background: rgba(34, 197, 94, 0.1);
}

.task-item.completed:hover {
  opacity: 0.8;
}

/* Preset Button Styles */
.preset-button {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  min-height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preset-button:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.preset-button.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* Statistics Card Styles */
.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1rem;
  text-align: center;
  transition: all var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Progress Bar Animations */
.progress-bar {
  position: relative;
  overflow: hidden;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Modal Styles */
.modal {
  backdrop-filter: blur(4px);
  animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.modal-content {
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Notification Styles */
.notification {
  position: fixed;
  top: 1rem;
  right: 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1rem;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  animation: notificationSlideIn 0.3s ease-out;
  max-width: 300px;
}

@keyframes notificationSlideIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.notification.success {
  border-color: var(--success-color);
  background: rgba(34, 197, 94, 0.1);
}

.notification.warning {
  border-color: var(--warning-color);
  background: rgba(245, 158, 11, 0.1);
}

.notification.error {
  border-color: var(--danger-color);
  background: rgba(239, 68, 68, 0.1);
}

/* Input Focus Styles */
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Loading Spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-top: 2px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Fullscreen Styles */
.fullscreen-mode {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--bg-primary);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.fullscreen-mode .clock-container,
.fullscreen-mode .stopwatch-container,
.fullscreen-mode .timer-container,
.fullscreen-mode .pomodoro-container {
  transform: scale(1.5);
}

/* Touch and Mobile Optimizations */
@media (max-width: 768px) {
  #digital-clock {
    font-size: 3rem;
  }
  
  #stopwatch-display,
  #timer-display,
  #pomodoro-display {
    font-size: 3rem;
  }
  
  .world-clock-time {
    font-size: 1.25rem;
  }
  
  .nav-tab {
    font-size: 0.75rem;
    padding: 0.75rem 0.5rem;
  }
  
  button {
    min-height: 44px; /* iOS minimum touch target */
  }
  
  .preset-button {
    min-height: 44px;
    font-size: 0.75rem;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000000;
    --text-secondary: #000000;
  }
  
  .dark {
    --border-color: #FFFFFF;
    --text-secondary: #FFFFFF;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Print styles */
@media print {
  .nav-tab,
  button,
  #adsense-top,
  #adsense-sidebar,
  #adsense-bottom,
  #adsense-mobile,
  footer {
    display: none !important;
  }
  
  .tab-content {
    display: block !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
}

/* Custom properties for dynamic styling */
.tab-content {
  min-height: 400px;
  transition: opacity var(--transition-normal);
}

.tab-content.hidden {
  opacity: 0;
  pointer-events: none;
  position: absolute;
  z-index: -1;
}

.tab-content:not(.hidden) {
  opacity: 1;
  animation: tabFadeIn 0.3s ease-out;
}

@keyframes tabFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Utility classes */
.glass-effect {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.dark .glass-effect {
  background: rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.gradient-text {
  background: linear-gradient(45deg, #3B82F6, #10B981);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.shadow-glow {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.pulse-animation {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

/* Responsive breakpoints customization */
@media (min-width: 1400px) {
  .max-w-7xl {
    max-width: 1400px;
  }
}

/* Container for better spacing */
.container-custom {
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 640px) {
  .container-custom {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container-custom {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* Focus styles for accessibility */
.focus-visible:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* High performance animations */
.gpu-accelerated {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

/* Custom selection styles */
::selection {
  background: rgba(59, 130, 246, 0.3);
  color: var(--text-primary);
}

.dark ::selection {
  background: rgba(59, 130, 246, 0.4);
}